Granted Patent
Utility
US 6,804,667 · App. 09/450,575
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Inventor:
Robert Martin
Patented Case
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Granted: Oct 12, 2004
Filed: Nov 30, 1999
Inventor
Robert Martin
Assignee (at issue)
NCR Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.